[多项选择]Which two options are reasons for using traffic classification?（）
A. to use the classification to route traffic
B. to use the classification to reorder packets from various sources
C. to use the classification to discard malformed packets
D. to use the classification to provide the configured service level

[多项选择]For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）(Choose two.)
A. views
B. fixed tables
C. heap tables
D. external tables
E. temporary tables
F. index-organized tables (IOT)

[多项选择]Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）
A. CHAP uses a two-way handshake
B. CHAP authentication periodically occurs after link establishment
C. CHAP has no protection from playback attacks
D. CHAP authentication is performed only upon link establishment
E. CHAP uses a three-way handshake
F. CHAP authentication passwords are sent in plaintext

[多项选择]Which two configurations are made using the QoS Setup Wizard?（） (Choose two.)
A. Assign applications to traffic classes.
B. Use ToS/DSCP values for traffic classes.
C. Exclude subnets from QoS management.
D. Select dedicated vs. over-subscribed circuits

[多项选择]Which two statements are true when using the configure exclusive CLI command?（）
A. Multiple users can enter configuration mode and have their own private configuration.
B. When a user commits, only the user's changes are committed.
C. A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
D. Only a single user can edit the configuration.

[多项选择]Which two benefits are provided by using a hierarchical addressing network addressing scheme? （）
A. reduces routing table entries
B. auto-negotiation of media rates
C. efficient utilization of MAC addresses
D. dedicated communications between devices
E. ease of management and troubleshooting

[多项选择]Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）
A. IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.
B. IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.
C. Hosts can be  configured to receive both IPv4 and IPv6 addresses via DHCP.
D. Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.
E. IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.

[多项选择]Which two tasks can you perform using only the TO_CHAR function? （）
A. convert 10 to 'TEN'
B. convert '10' to 10
C. convert 10 to '10'
D. convert 'TEN' to 10
E. convert a date to a character expression
F. convert a character expression to a date

[多项选择]In a PIM topology using anycast RP, in which two ways can the RPs share group information? （）
A. Configure MSDP between RPs.
B. Redistribute multicast information in your IGP.
C. Advertise S, G entries using MBGP.
D. Configure PIM to advertise group information between RPs.

[多项选择]Which two tasks can your perform by using the TO_CHAR function?（）
A. Convert 10 to ‘TEN’
B. Convert ‘10’ to 10
C. Convert ‘10’ to ‘10’
D. Convert ‘TEN’ to 10
E. Convert a date to a character expression
F. Convert a character expression to a date

[单项选择]What is the benefit of using two stranded barbed wire
A. Easier installation.
B. Improved rust-resistance.
C. Increased strength.
D. More rapid attachment of barbs.